KBH4 hidrolizinde ince film nikel katalizörünü kullanarak hidrojen üretimi ve proses optimizasyonu

Yıl 2022, , 1097 - 1102, 14.10.2022

Meryem Sena Akkuş

https://doi.org/10.28948/ngumuh.1143291

Bu makale için 15 Ocak 2023 tarihinde bir düzeltme yayımlandı. https://dergipark.org.tr/tr/pub/ngumuh/issue/75304/1235508

Öz

Bu çalışmada nikel, magnetron saçtırma işlemi ile lam üzerine ince bir film olarak kaplanmış ve alkali potasyum borhidrür hidrolizinde katalizör olarak kullanılmıştır. Ayrıca ortam sıcaklığı, katalizör miktarı, % KBH4 oranı, HCl hacmi ve % NaOH oranı gibi parametrelerin potasyum borhidrür çözeltisinin katalitik hidrolizinde hidrojen üretimi hızına olan etkileri de yanıt yüzey metodu ile ayrıntılı olarak incelenmiştir. Proses optimizasyonu merkezi kompozit dizaynı kullanılarak yapılmış ve parametrelerin etkinliği varyans analizi ile belirlenmiştir. Oluşturulan model sonucunda, maksimum HGR değeri için optimum parametreler; ortam sıcaklığı 55 ˚C; %13 oranında KBH4; %0.6 oranında NaOH; 9 mL 0.5 M HCI olarak belirlenmiştir. Maksimum hidrojen üretim hızı 92.8 L/dk. g olarak hesaplanmıştır.

Anahtar Kelimeler

Potasyum borhidrür, Hidroliz, Hidrojen üretimi, Nikel, Magnetron sputter

Destekleyen Kurum

Ankara Yıldırım Beyazıt Üniversitesi Bilimsel Araştırma Birimi

Proje Numarası

2148

Teşekkür

Bu çalışma Ankara Yıldırım Beyazıt Üniversitesi Bilimsel Araştırma Birimi (2148 No'lu Proje) tarafından desteklenmiştir.

Hydrogen production and process optimization using thin film nickel catalyst in KBH4 hydrolysis

Bu makale için 15 Ocak 2023 tarihinde bir düzeltme yayımlandı. https://dergipark.org.tr/tr/pub/ngumuh/issue/75304/1235508

Öz

In this study, nickel was coated as a thin film on the slide by magnetron sputtering and used as a catalyst for alkali potassium borohydride hydrolysis. The effects of parameters such as ambient temperature, catalyst amount, wt% KBH4 ratio, volume of HCl and wt% NaOH ratio rate on the hydrogen production rate in the catalytic hydrolysis of potassium borohydride solution were investigated in detail by response surface method. Process optimization was done using central composite design and the efficiency of the parameters was determined by analysis of variance. As a result of the model created, the optimum parameters for the maximum HGR value; ambient temperature 55 ˚C; 13% KBH4; 0.6% NaOH; Determined as 9 mL of 0.5 M HCl. The maximum hydrogen generation rate was calculated as 92.8 L/min g.

Anahtar Kelimeler

Potassium borohydride, Hydrolysis, Hydrogen production, Nickel, Magnetron sputtering

Proje Numarası

2148

Kaynakça

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